#
#  Copyright 2021 The FATE Authors. All Rights Reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#


import os
import tempfile
from abc import ABC

import kfserving

from .base import KFServingDeployer


class LightGBMKFDeployer(KFServingDeployer, ABC):
    def _do_prepare_model(self):
        working_dir = tempfile.mkdtemp()
        local_file = os.path.join(working_dir, "model.bst")
        self.model_object.save_model(local_file)
        return local_file

    def _do_prepare_predictor(self):
        self.isvc.spec.predictor.lightgbm = kfserving.V1beta1LightGBMSpec(storage_uri=self.storage_uri)
